When the following ions barium, chloride, sodium and sulfate are placed together in a test tube, barium sulfate precipitates out.

Question

Quizplus · Accepted Answer

This is because barium sulfate is insoluble in water and therefore forms a solid precipitate when barium and sulfate ions are mixed together. Chloride and sodium ions do not react with barium ions to form an insoluble compound, so they remain in solution.

When the Following Ions Barium, Chloride, Sodium and Sulfate Are